Marquesses of Toscana Marqueses da Toscana Records #6 Holders Family filter On/Off 3 Aganus, marquess of Tuscany Adalberto I, marquess of Tuscany Adalberto II, marquess of Tuscany Bonifacio II, marquess of Tuscany Engelbert III von Sponheim, margrave of Istria and Toscana Guido, marquess of Tuscany * c. 0900 Corrections and Updates To suggest a correction or an update. Click Here